https://www.webmaster-forums.net/crss/node/1021393 en https://www.webmaster-forums.net/serverside-scripting/making-new-version-completely-new-product#comment-1131851 <p>Just make it SonicMailer Pro v4. You should probably add to your licensing agreement the cost of upgrades.</p> <p>For example, I've purchased software which allows free upgrades for all minor revisions (v1.x). When a major revision is released (v2.x), I can purchase the upgrade at a discount.</p> Wed, 21 May 2003 06:41:47 +0000 Mark Hensler comment 1131851 at https://www.webmaster-forums.net